Ascidians4

/The Conscientious Reef Aquarist

Almost Us!? Sea Squirts, Tunicates, Ascidians, Subphylum Urochordata, Phylum Chordata Pt. 4

By Bob Fenner

Genus Leptoclinides:

Leptoclinides cf. reticulatus (Sluiter 1909). An encrusting species of thin, membranous make-up. Dark grey with yellow-white siphon interiors. Shallow water reefs of the Western Pacific. N. Sulawesi pic.

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Genus Lissoclinum:

Lissoclinum fragile Monniot & Monniot 1987. Western Pacific; Australia to Polynesia. This colony in the. Encrusting colonies that are soft and fragile. Oral and cloacal openings numerous, distributed throughout the colony. White with magenta siphon openings.

Lissoclinum cf. vareau Monniot & Monniot 1987. Western Pacific; Australia to Polynesia. This colony in the. Encrusting colonies that are soft and fragile. Oral and cloacal openings numerous, distributed throughout the colony. White with magenta siphon openings. Ari Atoll, Maldives pic.

Genus Nephtheis: Monotypic

Nephtheis fascicularis (Drasche 1882), the/a Lollipop Tunicate. Shallow reefs of Indonesia (and P.I.?). Not photosynthetic (a filter feeder on small life). N. Sulawesi image.

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Genus Pachyclavella:

Pachyclavella sp. N. Sulawesi image (Lembeh Strait).

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Genus Perophora:

Perophora modificata Kott 1985. Western Pacific; Australia, Indonesia, Philippines. Zooids in dense clusters, with short stalks. Transparent lemon-yellow in color. Here in Bunaken/Sulawesi/Indo.

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Perophora namei Hartmeyer & Michaelsen 1928. To less than 10 cm. in length, counting stalk. Ovoid, bluish zooids. Western Pacific; Indonesia, Philippines, Coral Sea. S. Sulawesi/Indo.

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Perophora viridis Verrill 1871. Honeysuckle Tunicate. Colonial, tropical W. Atlantic. Common in nutrient-rich lagoons under ledges, overhangs. Pale yellow w/ visible yellow lines w/in. About 1/2" zooids. Cozumel pic.

Genus Polyandrocarpa:

Polyandrocarpa polypora A stalked Ascidian... Fiji 2017

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Genus Polycarpa:

Polycarpa aurata (Quoy & Gaimard 1834). Indo-Pacific; Australia, New Guinea, Indonesia, Philippines, Micronesians. This image made off of the north of Lombok, Indo.
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Polycarpa pigmentata (Herdman 1906). Distinctive, independent polyps with thick leathery tunics, bright white-dotted siphon interiors. N. Sulawesi image.

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Polycarpa spongiabilis, Giant Tunicate. Globular shaped. Siphons appear lined w/ inward facing bars at edge. To five inches. Roatan 2016. TiffB pic.

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Genus Pycnoclavella:

Pycnoclavella sp. Heron Island, QLD, GBR

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To: Pt. 1, Pt. 2, Pt. 3, Pt. 5,

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